Artemisia kansana Britton accepted as Artemisia carruthii Alph.Wood ex Carruth. (original description)
Aster carmesinus E.S.Burgess accepted as Eurybia divaricata (L.) G.L.Nesom (original description)
Aster claytonii E.S.Burgess accepted as Eurybia divaricata (L.) G.L.Nesom (original description)
Aster claytonii var. crispicans E.S.Burgess accepted as Eurybia divaricata (L.) G.L.Nesom (original description)
Aster curvescens E.S.Burgess (original description)
Aster curvescens var. oviformis E.S.Burgess accepted as Eurybia schreberi (Nees) Nees (original description)
Aster curvescens var. umbelliformis E.S.Burgess accepted as Eurybia schreberi (Nees) Nees (original description)
Aster divaricatus var. curtifolius E.S.Burgess accepted as Symphyotrichum subulatum var. ligulatum (Shinners) S.D.Sundb. (original description)
Aster divaricatus var. cymulosus E.S.Burgess accepted as Symphyotrichum subulatum var. ligulatum (Shinners) S.D.Sundb. (original description)
Aster divaricatus var. deltoideus E.S.Burgess accepted as Symphyotrichum subulatum var. ligulatum (Shinners) S.D.Sundb. (original description)
Aster divaricatus var. fontinalis E.S.Burgess accepted as Symphyotrichum subulatum var. ligulatum (Shinners) S.D.Sundb. (original description)
Aster divaricatus var. persaliens E.S.Burgess accepted as Symphyotrichum subulatum var. ligulatum (Shinners) S.D.Sundb. (original description)
Aster ericoides var. parviceps E.S.Burgess accepted as Symphyotrichum parviceps (E.S.Burgess) G.L.Nesom (original description)
Aster ericoides var. randii Britton (original description)
Aster furcatus E.S.Burgess accepted as Eurybia furcata (E.S.Burgess) G.L.Nesom (original description)
Aster ianthinus E.S.Burgess (original description)
Aster lateriflorus var. glomerullus (Torr. & A.Gray) E.S.Burgess accepted as Symphyotrichum lateriflorum (L.) Á.Löve & D.Löve (original description)
Aster lateriflorus var. pendulus (Aiton) E.S.Burgess accepted as Symphyotrichum lateriflorum var. horizontale (Desf.) G.L.Nesom (original description)
Aster lindleyanus var. eximius E.S.Burgess accepted as Symphyotrichum ciliolatum (Lindl.) Á.Löve & D.Löve (original description)
Aster macrophyllus var. apricensis E.S.Burgess accepted as Eurybia macrophylla (L.) Cass. (original description)
Aster macrophyllus var. biformis E.S.Burgess accepted as Eurybia macrophylla (L.) Cass. (original description)
Aster macrophyllus var. excelsior E.S.Burgess accepted as Eurybia macrophylla (L.) Cass. (original description)
Aster macrophyllus var. pinguifolius E.S.Burgess accepted as Eurybia macrophylla (L.) Cass. (original description)
Aster macrophyllus var. sejunctus E.S.Burgess accepted as Eurybia macrophylla (L.) Cass. (original description)
Aster macrophyllus var. velutinus E.S.Burgess accepted as Eurybia macrophylla (L.) Cass. (original description)
Aster missouriensis Britton accepted as Symphyotrichum ontarionis (Wiegand) G.L.Nesom (original description)
Aster multiformis E.S.Burgess accepted as Eurybia macrophylla (L.) Cass. (original description)
Aster nebraskensis Britton accepted as Symphyotrichum praealtum (Poir.) G.L.Nesom (original description)
Aster nobilis E.S.Burgess (original description)
Aster novi-belgii var. atlanticus E.S.Burgess accepted as Symphyotrichum novi-belgii (L.) G.L.Nesom (original description)
Aster pringlei (A.Gray) Britton accepted as Symphyotrichum pilosum (Willd.) G.L.Nesom (original description)
Aster roscidus E.S.Burgess (original description)
Aster sagittifolius var. dissitiflorus E.S.Burgess accepted as Symphyotrichum urophyllum (Lindl. ex Lindl.) G.L.Nesom (original description)
Aster sagittifolius var. urophyllus E.S.Burgess accepted as Symphyotrichum urophyllum (Lindl. ex Lindl.) G.L.Nesom (original description)
Aster salicifolius var. stenophyllus E.S.Burgess (original description)
Aster tenebrosus E.S.Burgess accepted as Eurybia divaricata (L.) G.L.Nesom (original description)
Aster undulatus var. abruptifolius E.S.Burgess accepted as Symphyotrichum undulatum (L.) G.L.Nesom (original description)
Aster undulatus var. loriformis E.S.Burgess accepted as Symphyotrichum undulatum (L.) G.L.Nesom (original description)
Aster undulatus var. torquatus E.S.Burgess accepted as Symphyotrichum undulatum (L.) G.L.Nesom (original description)
Aster undulatus var. triangularis E.S.Burgess accepted as Symphyotrichum undulatum (L.) G.L.Nesom (original description)
Aster violaris E.S.Burgess (original description)
Aster viridis Nees (original description)
Baccharis neglecta Britton (original description)
Brachyactis angusta (Lindl.) Britton (original description)
Brachyactis angustus Britton (original description)
Carduus muticus var. subpinnatifidus Britton accepted as Cirsium muticum Michx. (original description)
Carduus nebraskensis Britton accepted as Cirsium canescens Nutt. (original description)
Chrysothamnus nauseosus (Pall. ex Pursh) Britton accepted as Ericameria nauseosa var. nauseosa (Pall. ex Pursh) G.L.Nesom & Baird (original description)
Doellingeria humilis (Willd.) Britton accepted as Aster infirmus Michx. accepted as Doellingeria infirma (Michx.) Greene (original description)
Doellingeria umbellata var. pubens (A.Gray) Britton accepted as Doellingeria umbellata (Mill.) Nees (original description)
Leptilon canadense (L.) accepted as Erigeron canadensis L. (original description)
Mesadenia tuberosa (Nutt.) Britton accepted as Arnoglossum plantagineum Raf. (original description)
Nabalus racemosus var. pinnatifidus Britton (original description)
Nabalus serpentarius var. integrifolius (Cass.) Britton accepted as Nabalus serpentarius (Pursh) Hook. (original description)
Parthenium auriculatum Britton accepted as Parthenium integrifolium L. (original description)
Picradenia acaulis Britton (original description)
Picradenia linearifolia (Hook.) Britton accepted as Tetraneuris linearifolia (Hook.) Greene (original description)
Picradenia odorata Britton. (original description)
Picradenia odorata (DC.) Britton accepted as Hymenoxys odorata DC. (original description)
Picradenia scaposa (DC.) Britton accepted as Hymenoxys scaposa (DC.) K.F.Parker accepted as Tetraneuris scaposa (DC.) Greene (original description)
Senecio antennariifolius Britton accepted as Packera antennariifolia (Britton) W.A.Weber & Á.Löve (original description)
Senecio aureus var. pauciflorus (Pursh) Britton accepted as Packera pauciflora (Pursh) Á.Löve & D.Löve (original description)
Senecio discoideus (Hook.) Britton accepted as Packera pauciflora (Pursh) Á.Löve & D.Löve (original description)
Senecio obovatus var. elongatus (Pursh) Britton (original description)
Synosma Raf. ex Britton accepted as Hasteola Raf. (original description)
Synosma suaveolens (L.) Raf. ex Britton accepted as Hasteola suaveolens (L.) Pojark. (original description)
Thymophylla aurea (A.Gray) Greene ex Britton & A.Br. accepted as Thymophylla aurea (A.Gray) Greene ex Greene (original description)